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Study 161 Astronomy Final Exam flashcards from Sienna S. on StudyBlue. Refer to the life stages labeled with roman numerals. The ecliptic plane is the plane defined by __________ 's orbit around . Could we see a galaxy that is 50 billion light-years away? Match these to the appropriate category of objects. The following four graphs show the velocities, toward and away from Earth, of four identical stars. day/year. Space Stations. The bright spherical part of a comet observed when it is close to the Sun is the. Questions and Answers . If we see a nova, we know that we are observing, the remains of a star that died in a massive star supernova (if no black hole were created). Astronomy Final Exam - Science 54 110 02 with Stine at Elon University - StudyBlue Flashcards Motion of sun and moon is East with respect to stars. 100. The … … Match these to the appropriate object category. 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